Given that vitamin A is fat soluble, your body stores excess amounts in the liver. This accumulation can have toxic effects on the body and lead to liver damage. It can even cause birth defects. For example, excessive amounts of vitamin A during pregnancy has been shown to cause congenital birth abnormalities.
How does vitamin A harm an unborn baby?
The main adverse effects associated with excessive vitamin A intake, particularly at the beginning of the first quarter of pregnancy, are congenital malformations involving the central nervous and cardiovascular systems and spontaneous abortion [12,13].
Should I avoid vitamin A during pregnancy?
Having large amounts of vitamin A can harm your unborn baby. So if you’re pregnant or thinking about having a baby, do not eat liver or liver products, such as pâté, because these are very high in vitamin A. Also avoid taking supplements that contain vitamin A.
Can a pregnant woman take vitamin A?
Do not take vitamin A supplements, or any supplements containing vitamin A as too much could harm your baby. National Institute for Health and Care Excellence (2008) ‘Antenatal Care’, NICE Clinical Guidelines 62: http://publications.nice.org.uk/antenatal-care-cg62 [accessed 18 January 2015].
Can vitamin A toxicity cause birth defects?
Women who consume excessive amounts of vitamin A during the early months of pregnancy can cause serious birth defects in their unborn children, a large new study has shown.
How much vitamin A is toxic?
Too much vitamin A can be harmful. Even a single large dose — over 200,000 mcg — can cause: Nausea. Vomiting.
Is 5000 IU of vitamin A safe during pregnancy?
Pregnant women should avoid multivitamin or prenatal supplements that contain more than 1.5 mg/day (5,000 IU) of vitamin A. Vitamin A from beta-carotene is not known to increase the risk of birth defects.
What birth defects can vitamin A cause?
Total intakes of preformed vitamin A that exceed the UL and some synthetic retinoids used as topical therapies (such as isotretinoin and etretinate) can cause congenital birth defects [2-4]. These birth defects can include malformations of the eye, skull, lungs, and heart .
What is the most important vitamin during pregnancy?
Which nutrients are most important during pregnancy?
- Folic acid.
- Vitamin D.
How can I get vitamin A naturally?
The best sources of vitamin A are:
- Cod liver oil.
- Fortified breakfast cereals.
- Fortified skim milk.
- Orange and yellow vegetables and fruits.
- Other sources of beta-carotene such as broccoli, spinach, and most dark green, leafy vegetables.
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How much vitamin A is safe for pregnancy?
Existing WHO guidance suggests a dose of up to 10 000 IU vitamin A per day, or a weekly dose of up to 25 000 IU (1). A single dose of a vitamin A supplement greater than 25 000 IU is not recommended as its safety is uncertain.
Why is vitamin A important?
Vitamin A is important for normal vision, the immune system, and reproduction. Vitamin A also helps the heart, lungs, kidneys, and other organs work properly. There are two different types of vitamin A.
How much vitamin A should be in a prenatal?
ACOG, CDC, and WHO indicate that 400 mcg of Folic Acid should be consumed during pregnancy. Regarding the iodine dosage, CDC and ACOG recommend between 200 and 220 mcg of iodine per day for women during pregnancy.
|Vitamin A||4000 IU|
|Vitamin B6||2.5 mg|
Is vitamin A retinol safe during pregnancy?
Despite the low risk suggested by these studies, experts still suggest pregnant women avoid applying vitamin A-based formulations to their skin during early pregnancy. On the other hand, if you have used a cosmetic containing a retinol or a similar vitamin A-like compound during pregnancy, there’s no need to panic.
Is 4000 IU of vitamin A too much during pregnancy?
Vitamin A: No more than 4,000 IU (800 ug). Taking too much vitamin A can be dangerous. That’s why many manufacturers have reduced the amount of vitamin A in their vitamin supplements or have replaced it with beta-carotene, a much safer source of the vitamin. Folic acid: At least 400 to 600 mcg.